(Reuters) - Amazon.com Inc said on Friday it would buy Whole Foods Market Inc for $13.7 billion, in an embrace of brick-and-mortar stores that could turn the high-end grocer into a mass-market merchant and upend the already struggling U.S. retail indus...

(Reuters) - Amazon.com Inc said on Friday it would buy Whole Foods Market Inc for $13.7 billion, in an embrace of brick-and-mortar stores that could turn the high-end grocer into a mass-market merchant and upend the already struggling U.S. retail industry.